參數資料
型號: DOC4106
廠商: Atmel Corp.
英文描述: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
中文描述: 單片微控制器,帶有MP3解碼器和人機界面
文件頁數: 10/47頁
文件大?。?/td> 791K
代理商: DOC4106
10
AT8xC51SND1C
4106F–8051–10/02
Internal Pin Structure
Table 15.
Detailed Internal Pin Structure
Notes:
1. For information on resistors value, input/output levels, and drive capability, refer to the Section “DC Characteristics”,
page 24.
2. When the TWI controller is enabled, P
1
, P
2
, and P
3
transistors are disabled allowing pseudo open-drain structure.
3. In Port 2, P
1
transistor is continuously driven when outputting a high level bit address (A15:8).
Circuit
(1)
Type
Pins
Input
TST
Input/Output
RST
Input/Output
P1
(2)
P2
(3)
P3
P4
P53:0
Input/Output
P0
MCMD
MDAT
ISP
Output
ALE
SCLK
DCLK
DOUT
DSEL
MCLK
Input/Output
D+
D-
R
T
V
DD
R
R
VSS
P
V
DD
Watchdog Output
P
3
VSS
N
P
1
V
DD
V
DD
2 osc
periods
Latch Output
P
2
V
DD
VSS
N
P
V
DD
VSS
N
P
V
DD
D+
D-
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